Buffer overflow in Nasm Netwide Assembler
CVE-2018-16999
Netwide Assembler (NASM) 2.14rc15 has an invalid memory write (segmentation fault) in expand_smacro in preproc.c, which allows attackers to cause a denial of service via a crafted input file.
Vulnerability class: Buffer Overflow
EPSS: 0.010 (60.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Nasm Netwide_assembler — versions 12.14
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (vendor-advisory, x_refsource_SUSE)
- cve@mitre.org (vendor-advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2018-16999?
- CVE-2018-16999 is a medium-severity vulnerability in Nasm Netwide Assembler, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2018-09-13.
- How severe is CVE-2018-16999?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2018-16999 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.